Head rest for a neck cushion



FIG. 1 is a top plan view of the head rest for a neck cushion showing our new design with the neck cushion being shown in phantom;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view thereof, looking from the left side of FIG. 1;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a side elevational view thereof, looking from the right side of FIG. 1.

The broken lines are for environmental purposes only and form no part of the claimed design. 

The ornamental design for a head rest for a neck cushion, as shown and described. 